Here's my answer: $160. It was for a typewriter for my ex last year. Yes, I realize you're thinking, a typewriter??? But he's a big Jack Kerouac fan (and a writer himself) and I found the exact same make and model that Kerouac used on Ebay, bought it and refurbished it at a typewriter repair store in the city. I've never seen a guy so excited to unwrap a gift—it was like a 4-year old finding a puppy underneath the tree at Christmas. SO worth it.

Your turn! What's the priciest gift you've ever given a guy? What was it? Was his reaction worth the cost?